Design of an intelligent system to control the technological system of ammonia production secondary condensation
DOI:
https://doi.org/10.15587/1729-4061.2022.252383Keywords:
ammonia production, secondary condensation, energy efficiency, decision-making subsystem, computer controlAbstract
This paper has analyzed the functioning conditions for the technological system of secondary condensation (TSSC) in a typical ammonia synthesis unit of the AM-1360 series with the use of a system-control approach. The coordinates of control vectors and external disturbances have been determined. An algorithm has been developed for predicting the coordinates of the control vector for the subsystem of decision support under the conditions of external disturbances for such a complex inertial object with high metal consumption as TSSC.
The method of mathematical modeling was used to determine, based on the developed algorithm, the patterns and quantitative dependences of the influence of external disturbances such as the temperature of primary condensation and the flow rate of circulation gas on the efficiency of TSSC heat exchange processes. The regularity of increase in the heat flows and coordinates of control vector with an increase in the temperature of primary condensation has been established. The parametric sensitivity of the coordinates of the control vector under the conditions of change in the temperature of the primary condensation has been determined, which, compared with the circulation gas flow rate, exceeds it by more than six times.
The executed software implementation of the algorithm employing the MATLAB programming environment makes it possible, owing to the embedded client part (ORC client), free software access to the current data on the technological process. The functional structure of computer-integrated TSSC technology with the proposed correction subsystem under a supervisory control mode has been designed. Correction solutions involving the additional hardware and software based on the programmable logic controller VIPA and SCADA-system Zenon have been practically implemented.
The implementation of the developed system ensures the stabilization of the secondary condensation temperature at the regulatory level of −5 °C, which reduces the consumption of natural gas by almost 1 million nm3 per year.
References
- Liu, H. (2014). Ammonia synthesis catalyst 100 years: Practice, enlightenment and challenge. Chinese Journal of Catalysis, 35 (10), 1619–1640. doi: https://doi.org/10.1016/s1872-2067(14)60118-2
- Malhotra, A., Gosnell, J. (2012). KBR PURIFIER™ Technology and Project Execution Options for Ammonia Plants. 25th AFA international fertilizers technology conference Sustainability Driving the Future. Dubai. Available at: https://www.arabfertilizer.org/uploads/events/3/files/120717144118_proceeding.pdf
- Babichenko, A., Velma, V., Babichenko, J., Kravchenko, Y., Krasnikov, I. (2017). System analysis of the secondary condensation unit in the context of improving energy efficiency of ammonia production. Eastern-European Journal of Enterprise Technologies, 2 (6 (86)), 18–26. doi: https://doi.org/10.15587/1729-4061.2017.96464
- Chen, Y., Han, W., Jin, H. (2016). Analysis of an absorption/absorption–compression refrigeration system for heat sources with large temperature change. Energy Conversion and Management, 113, 153–164. doi: https://doi.org/10.1016/j.enconman.2016.01.063
- Galimova, L. V., Vedeneyeva, A. I. (2015). Energy saving system absorption refrigerating machine of ammonia synthesis installation: performance analysis and thermodynamic perfection evaluation. Vestnik mezhdunarodnoy akademiyi holoda, 4, 55–60. Available at: https://cyberleninka.ru/article/n/otsenka-stepeni-termodinamicheskogo-sovershenstva-na-osnove-analiza-raboty-deystvuyuschey-absorbtsionnoy-holodilnoy-ustanovki
- Babichenko, A., Babichenko, J., Kravchenko, Y., Velma, S., Krasnikov, I., Lysachenko, I. (2018). Identification of heat exchange process in the evaporators of absorption refrigerating units under conditions of uncertainty. Eastern-European Journal of Enterprise Technologies, 1 (2 (91)), 21–29. doi: https://doi.org/10.15587/1729-4061.2018.121711
- Zhang, S., Dai, L., Gao, Y., Xia, Y. (2020). Adaptive interpolating control for constrained systems with parametric uncertainty and disturbances. International Journal of Robust and Nonlinear Control, 30 (16), 6838–6852. doi: https://doi.org/10.1002/rnc.5140
- Wu, H., Wang, W., Ye, H. (2013). Robust state estimation for linear systems with parametric uncertainties and quantised measurements. International Journal of Systems Science, 46 (3), 526–534. doi: https://doi.org/10.1080/00207721.2013.807387
- Larsen, K. R., Monarchi, D. E., Hovorka, D. S., Bailey, C. N. (2008). Analyzing unstructured text data: Using latent categorization to identify intellectual communities in information systems. Decision Support Systems, 45 (4), 884–896. doi: https://doi.org/10.1016/j.dss.2008.02.009
- Fronk, B. M., Garimella, S. (2016). Condensation of ammonia and high-temperature-glide ammonia/water zeotropic mixtures in minichannels – Part I: Measurements. International Journal of Heat and Mass Transfer, 101, 1343–1356. doi: https://doi.org/10.1016/j.ijheatmasstransfer.2016.05.049
- Babichenko, A. K., Podustov, M. O., Kravchenko, Y. O., Krasnikov, I. L. (2020). Energy-efficienty computer integrated technology for control of the secondary condensation process of production of ammonia. Colloquium-journal, 2 (54), 8–11. doi: https://doi.org/10.24411/2520-6990-2020-11285
- Wang, L., Liu, J., Zou, T., Du, J., Jia, F. (2018). Auto-tuning ejector for refrigeration system. Energy, 161, 536–543. doi: https://doi.org/10.1016/j.energy.2018.07.110
- Wang, X., Zhang, Y., Tian, Y., Li, X., Yao, S., Wu, Z. (2021). Experimental investigation of a double-slider adjustable ejector under off-design conditions. Applied Thermal Engineering, 196, 117343. doi: https://doi.org/10.1016/j.applthermaleng.2021.117343
- Chrysostomou, K., Chen, S. Y., Liu, X. (2009). Investigation of users’ preferences in interactive multimedia learning systems: a data mining approach. Interactive Learning Environments, 17 (2), 151–163. doi: https://doi.org/10.1080/10494820801988315
- TDC 3000 Architecture. Available at: https://www.eeeguide.com/tdc-3000-architecture/
- Babichenko, A. K., Podustov, M. О., Kravchenko, Y. O., Babichenko, Y. A. (2019). Formation of the information array of the identifier of the adaptive control system of the ammonia production condensation unit with uncertainties. Bulletin of the National Technical University “KhPI” A Series of “Information and Modeling”, 13 (1338), 25–33. doi: https://doi.org/10.20998/2411-0558.2019.13.03
- Boyko, O. A., Golinko, A. A., Protsenko, S. N. Vozmozhnosti vzaimodeystviya SCADA sistemy zenon s vneshnim programmnym obespecheniem. Available at: https://www.svaltera.ua/press-center/articles/8773.php
- Vizualizatsiya. Dyspetcherske keruvannia. Zbir ta analiz danykh. Prohramno-tekhnichnyi kompleks ZENON. Available at: https://www.copa-data.com.ua/files/pdf/zenon_raskladka_2016.pdf
- Erciyes, K. (2019). Distributed Real-Time Systems: Theory and Practice. Springer, 359.
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Copyright (c) 2022 Anatolii Babichenko, Yana Kravchenko, Juliya Babichenko, Ihor Lysachenko, Igor Krasnikov, Volodymyr Velma
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